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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 45

  • question_answer
    In acidic medium, \[{{H}_{2}}{{O}_{2}}\]changes \[C{{r}_{2}}O_{7}^{-2}\] to \[Cr{{O}_{5}}\] which has two \[(-O-O)\] bonds. What is the oxidation state of \[Cr\]in \[Cr{{O}_{5}}\]?

    Answer:

    (+6)


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